78723540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1518

約数の個数: 144

約数和(自身を含む): 279447168

約数和(自身を除く): 200723628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1453, 1505, 1548, 1806, 1935, 2580, 2709, 2906, 3010, 3612, 3870, 4359, 4515, 5418, 5812, 6020, 7265, 7740, 8718, 9030, 10171, 10836, 13077, 13545, 14530, 17436, 18060, 20342, 21795, 26154, 27090, 29060, 30513, 40684, 43590, 50855, 52308, 54180, 61026, 62479, 65385, 87180, 91539, 101710, 122052, 124958, 130770, 152565, 183078, 187437, 203420, 249916, 261540, 305130, 312395, 366156, 374874, 437353, 457695, 562311, 610260, 624790, 749748, 874706, 915390, 937185, 1124622, 1249580, 1312059, 1749412, 1830780, 1874370, 2186765, 2249244, 2624118, 2811555, 3748740, 3936177, 4373530, 5248236, 5623110, 6560295, 7872354, 8747060, 11246220, 13120590, 15744708, 19680885, 26241180, 39361770, 78723540]

約数ペア:

[(1, 78723540), (2, 39361770), (3, 26241180), (4, 19680885), (5, 15744708), (6, 13120590), (7, 11246220), (9, 8747060), (10, 7872354), (12, 6560295), (14, 5623110), (15, 5248236), (18, 4373530), (20, 3936177), (21, 3748740), (28, 2811555), (30, 2624118), (35, 2249244), (36, 2186765), (42, 1874370), (43, 1830780), (45, 1749412), (60, 1312059), (63, 1249580), (70, 1124622), (84, 937185), (86, 915390), (90, 874706), (105, 749748), (126, 624790), (129, 610260), (140, 562311), (172, 457695), (180, 437353), (210, 374874), (215, 366156), (252, 312395), (258, 305130), (301, 261540), (315, 249916), (387, 203420), (420, 187437), (430, 183078), (516, 152565), (602, 130770), (630, 124958), (645, 122052), (774, 101710), (860, 91539), (903, 87180), (1204, 65385), (1260, 62479), (1290, 61026), (1453, 54180), (1505, 52308), (1548, 50855), (1806, 43590), (1935, 40684), (2580, 30513), (2709, 29060), (2906, 27090), (3010, 26154), (3612, 21795), (3870, 20342), (4359, 18060), (4515, 17436), (5418, 14530), (5812, 13545), (6020, 13077), (7265, 10836), (7740, 10171), (8718, 9030)]